Hi all. I'm forwarding to this list a series of messages that Allin and I exchanged with a Josué, a new user (welcome, by the way), offlist. ---------- Forwarded message ---------- Date: Sat, 1 Jul 2023 03:54:14 +0000 From: Josué Martínez-Castillo <jota3mc(a)gmail.com&gt; Subject: 100-based indices with panel data Hi, I'm a newbie in gretl, very excited to learn how to use the program for learning econometrics on my own. However, right now I'm curious on how to estimate 100-based indices when dealing with panel data. For example, what if I want to estimate a 100-based index for each unit using as base year the first year available of, say, real GDP. I was looking for the answer in the manual of the 2023 version of gretl. No success. I was hoping maybe someone can help me with guidance. Thanks. jota3mc